Resources & Tools

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groov EPIC announced as a Finalist in the 2020 Engineers' Choice Awards
Blog - Published:
Control Engineering magazine hosts its annual awards program, which highlights some of the best new control, instrumentation, and automation products. We're excited that Opto 22's groov EPIC (Edge...more
When the system working,all input signals of analog Pulse break
Forum - Published:
The input signals of analog quantity such as pressure, frequency of frequency converter, etc. are disconnected aperiodically, which results in abnormal operation of the system. What could be the reason?...
EPIC Groov does not like a disconnected cat5 cable
Forum - Published:
Hi A frustrating situation arose with an EPIC Groov unit I have been integrating into one of our existing control systems and I would be keen to hear if anyone else has been caught out with it. In...more
Modbus Inputs PAC Control
Forum - Published:
Does anyone know how to bring Modbus data into PAC Project in four digit binary groups, BCD? The data coming in reads 584 which is the decimal value of binary 10 0100 1000. But, that is not what I need...more
Riding out the storm with the groov EPIC system
Blog - Published:
How one integrator used the remote connectivity in groov EPIC and groov View to save his systems from Midwest storms. Rainstorms have pounded Wisconsin this season, along with much of the Midwestern...more
Tags are not refreshed correctly after a restart
Knowledge Base - KB88545 - Published:
When you work with Ignition or Ignition Designer and the Opto 22 groov EPIC and  SNAP PAC Driver module, when tag lists are restored after some events, some of the OPC-UA tags may appear valid but are not updated with current controller values.
A closer look at OptoTagPreserve
Blog - Published:
First, OptoTagPreserve has been updated! If you are a fan of this useful utility program (as I am), be sure to download the latest version. If you're new to PAC Control, or haven't tried OptoTagPreserve, here is why you should take a closer look.
SNAP I/O Watchdog not working
Knowledge Base - KB88530 - Published:
In PAC Control, if you configure the  Watchdog feature on a SNAP analog or digital output point, when a watchdog condition occurs due to no activity to the I/O Unit for the period specified in the...more
groov I/O: TPO may not update percent on-time (duty) correctly
Knowledge Base - KB88528 - Published:
If your PAC Control strategy runs a Set TPO Period command followed by Set TPO Percent command, you may observe that the TPO period is cut short or extended for one period. This should not happen; any...more
Errors or abnormal functioning with channels on GRV-IDCIFQ-12 module
Knowledge Base - KB88599 - Published:
In PAC Control, if you configure a channel on a GRC-IDCIFQ-12 module with a feature other than None or Quadrature Counter, commands related to the feature will result in an error in the controller's message queue and/or abnormal functioning.
Lost settings on Groov EPIC while updating firmware on 2nd unit
Forum - Published:
This may have been a fluke or a coincidence or something else, but here is what happened this morning… We have been running our Groov EPIC fine for about 10 days, 24 hrs/day. I saw a new firmware was...more
Groov View R4.1e has been released
Forum - Published:
Couple of small bug fixes today. The KB articles aren’t up yet, but when they go live these links should work. KB 88576 - LED gadgets don’t display fill color in iOS/iPadOS 13 KB 88505 - Command...more
iPhone issue showing the green status circle
Forum - Published:
I noticed the other day when I log into groov on my iPhone the green status circles on my pumps and other on or off status circles are the same color as the back drop. What’s the issue?...
Which groov EPIC Module for humidity sensor?
Forum - Published:
Hi Ma’am/Sir, May I ask if what module can read a humidity sensor? I have already created in our Data Center a Temperature Monitoring and used the GRV-ITMI-8 module. Thanks in advance. Best Regards, Jay...
With Redundant Network System Type, secondary IP address not used when set to active
Knowledge Base - KB88297 - Published:
In PAC Terminal, if you right-click on a control engine with a System Type of Redundant Networks, then select Use Secondary Address, you'll see that in the Control Engines list, the control...more
PAC Control: Can't enter hex value when you configure or edit an integer variable
Knowledge Base - KB88414 - Published:
In PAC Control, when you configure or modify an integer variable and try to type in a hexadecimal value (for example, 0xA) in the Initial Value field, nothing happens. You should be able to enter a hexadecimal value.
I/O Point Mapping report shows one point in two different locations
Knowledge Base - KB88404 - Published:
If your strategy contains groov serial modules (GRV-CSERI-4) and you view/print an I/O Point Mappings report (File > View/Print > I/O Point Mappings) as Formatted (instead of Comma-separated), you'll notice that some of the points repeat.
With Redundant Network System Type, secondary IP address not used when set to active
Knowledge Base - KB88298 - Published:
For a PAC Control Engine configured with a System Type of Redundant Networks, if you set the Secondary IP Address as the active IP address , when in Debug mode, you could see the top of the inspect...more